Arceuthobium.] LORANTHACE^. 



277 



* # 



InvolucratfB, 



8. C.florida; arborescens, rainis nitidis, foliis ovatis acuminutis subtus pallidis utrinque 

 adpresse pilosis, floribus iimbeliatis post folia nascentibus, involucro maximo, folioiis subro- 

 tundis retusis aut fere obcordatis, drupis ovatis. DC,~Linn. Sp. PL p. 1661. UHeriL 

 Corn, p. 4. Sims, Bot Mag. t. 526. MicL Am. v, I. p, 91. Purshy FL Am. v. I. p 108. 

 Elliott, Carol v. \. p. 207. BigeL Med. Bot t. 28. Ejusd. Fl. Bost. ed. 2. p. 57. Torre?/, 

 FL of Un. St. V. I. p. 178. De Cand. Prodr. v. 4. p. 273. 



Hab. Canada. Michaux, Pursh. Banks of the Columbia, near its confluence with the Sea. Vouylas, 

 Dr. Scouler. 



9. C. Canadensis ; caulibus simplicibus herbaceis, foliis superioribus verticillatis subpe- 

 tiolatis ovatis venosis, floribus umbellatis involucro multo brevioribus, drupis globosis. DC. — 

 Linn. Sp. PLp. 172. L'Herit Corn. p. 3. t. 1. Curt Bot Mag. t 880. Mich. Am. v. \.p. 

 91. Pursh, Fl. Am. v. 1. p. 107. BigeL FL Bost ed. 2. p. 57. Torrey, FL of Un. St v. 1. 

 p. 177. De Cand. Prodr, v. 4./?. 275. Cham, et Schlecht in Linncoa, v. 1. p. 139. 



Hab. Throughout Canada, nearly to the Arctic coast, every m here as far as the Pine woods extend. 

 , Vr. Richardson. Labrador. Dr. Morrison. Newfoundland. Dr. Morrison. Miss Breiiton. Mr. Cormack. 

 Columbia River, frequent. Douglas. Observatory Inlet, North -West coast, lat. 53°. Dr. Scouler. TTnal- 

 aschka. Chamisso. 



10. C. Suecica ; caulibus herbaceis subramosis, foliis omnibus oppositis sessilibus ovatis a 

 basi fere nervosis, umbella pedunculata, involucris flores siiperantibus, drupis globosis. DC. 

 —Linn. Sp. PL p. 172. L'Herit Corn. p. 2. Engl Bot /. 310. De Cand. Prodr. v. 4. />. 274. 

 Cham, et Schlecht. inLinncea, v. 1. p. 138. Hook, et Am. in Bot. of Beech. Voy. v. 1, p. 

 125. — /3, duplo fere major. 



Hab. Labrador. Kohlmeister. Newfoundland. Dr. Morrison. Brandy Pots' Island, in the St. Law- 

 rence, Canada. Dr. Wm. Kelly. Belirlng's Straits. Chamisso. Messrs. Lay and Collie in Copt. Seechey's 

 Voyage. Unalaschka. Chamisso. Kotzebue's Soimd. Messrs. Lay and Collie in Copt. Beechey^s Voyage. 

 — /3, Fort Vancouver, on the Columbia. Dr. Scmder. 



OuD. XLVII. LORANTHACE^. Don. 



I. ARCEUTHOBIUM. M. Bieb. 



Flores dioici. Masc. sessiles : — Calyx 0. Corolla monopetiila 2-3 raro 4-partita coriieo- 

 carnosa, laciniis ovatis concavis patentibus. Stam. 2-3-4. Anthera sessilis medio lacini- 

 arum affixa libera subglobosa unilocularis transversim dehiscens membranacea. Ovarium 

 : sed ejus loco glandula parva 2-3-4-loba. — Fcem. brevissime pedicellati : — Cal. ovalis 

 compressus carnosus bidentatus ovarium uniovulatum fere omnino tegens et ei adnatus. 

 Cor. 0, Stam. 0. St?jhis 0. Stigma parvum obscure lobatum. Fructys: Bacca anguste 

 ol)ovata teres breve pedicellata monosperma. Semen pulpo viscido pellucido inimersum, 

 summo loculo affixum pendens obovato-cylindraceum basi acuminatum. Integumentum tenue. 

 Albumen carnosum. Embryo immersus, versus basin seniinis, axilis cylindricus. Radicula 

 ad hilum seminis versa. Lo6i cotydedonei breves subdivaricati. — Yrutex parvus aphyllus 



